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Rex::Ref

This module provides a uniform reference counted interface for classes to use.

Public Instance Methods

cleanup() click to toggle source

Called to clean up resources once the ref count drops to zero.

# File lib/rex/sync/ref.rb, line 53
def cleanup
end
deref() click to toggle source

Decrements the total number of references. If the reference count reaches zero, true is returned. Otherwise, false is returned.

# File lib/rex/sync/ref.rb, line 38
def deref
        @_references_mutex.synchronize {
                if ((@_references -= 1) == 0)
                        cleanup

                        true
                else
                        false
                end
        }
end
ref() click to toggle source

Increments the total number of references.

# File lib/rex/sync/ref.rb, line 26
def ref
        @_references_mutex.synchronize {
                @_references += 1
        }

        self
end
refinit() click to toggle source

Initializes the reference count to one.

# File lib/rex/sync/ref.rb, line 16
def refinit
        @_references       = 1
        @_references_mutex = Mutex.new

        self
end

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